The invention discloses a solid-liquid separation-type garbage processing device. The solid-liquid separation-type garbage processing device comprises a case body, universal wheels are arranged at thebottom of the casebody, a brake mechanism is arranged at the universal wheels, the case body comprises a crushing bin and a filter bin, the top of the case body is provided with a first feeding portand a second feeding port, a first crushing chamber, a second crushing chamber and a buffer chamber are arranged in the crushing bin, the bottom of the buffer chamber is provided with a feeding opening, a filtering chamber is arranged at the top of the filter bin, a material-feeding channel is arranged at the bottom of the second feeding port, a filter plate is arranged at the bottom of the filtering chamber, a first hydraulic cylinder and a first telescopic rod are arranged on the top of the inner wall of the filter bin, a pressing plate is arranged on the inner side of the filtering chamber,the outer wall of the case body is provided with a second hydraulic cylinder and a second telescopic rod on one side of the filtering chamber, a push plate is arranged on one side of the second telescopic rod, a feeding port is arranged on one side of the outer wall of the filtering chamber, a baffle plate is arranged at the bottom of the inner wall of the feeding port, and a water outlet is arranged at the bottom of the outer wall of the filtering chamber. The processing device can treat the solid waste and the liquid waste separately, and the pulverization effect is good, and the cleaning is convenient.